Article (Scientific journals)
Elaboration of a high mechanical performance refractory from halloysite and recycled alumina
El Haddara, Abdelilah; Manni, Ahmed; Azdimousa, Ali et al.
2019In Boletin de la Sociedad Espanola de Ceramica y Vidrio
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Keywords :
Halloysite; Silica-alumina; refractory; Ceramic; Clay; Raw material; Aggregate; North Eastern Rif; Morocco; Mechanical properties
Abstract :
[en] The present study is a contribution to the valorization of halloysite clay from North Eastern Rif (Nador, Morocco) in the field of Silica-alumina refractory. For this purpose, six mixtures (M1–M6) were tested using marl, diatomite and silica sand aggregates in order to enhance halloysite performances, and to develop high temperature ceramic up to 1300 °C (silico-aluminous refractory “S-Al-R”). Among all the mixtures tested, the mixture M6 provides good technical quality: Porosity (P) = 21.75%; density (d) = 1.94 g/cm3; thermal shrinkage (R) = 2.7% and flexural strength (Rf) = 29.05 MPa. Addition to the mixture (M6) of 25% of the recycled alumina “Rec-Al”, obtained from silico-aluminous refractory bricks waste, has substantially strengthened the mechanical performance of the silico-aluminous refractory (Rf = 45.08 MPa).
Disciplines :
Chemistry
Earth sciences & physical geography
Author, co-author :
El Haddara, Abdelilah
Manni, Ahmed
Azdimousa, Ali
El Amrani El Hassani, Iz-Eddine
Bellil, Abdelilah
Sadik, Chaouki
Fagel, Nathalie  ;  Université de Liège - ULiège > Département de géologie > Argiles, géochimie et environnements sédimentaires
El Ouahabi, Meriam  ;  Université de Liège - ULiège > Département de géologie > Argiles, géochimie et environnements sédimentaires
Language :
English
Title :
Elaboration of a high mechanical performance refractory from halloysite and recycled alumina
Publication date :
2019
Journal title :
Boletin de la Sociedad Espanola de Ceramica y Vidrio
ISSN :
0366-3175
Publisher :
Sociedad Espanola de Ceramica y Vidrio, Spain
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
Waste valoraisation
Available on ORBi :
since 18 October 2019

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